MESON Chess Problem Database

Problem Display
PID: 116874 (n4K1k/2p5/3pP1P1/3b4/1p1r1pp1/1p4P1/1p1P4/Q7 w - - 0 1)

Kaiser, Gerhard

American Chess Bulletin, 1923

n4K1k/2p5/3pP1P1/3b4/1p1r1pp1/1p4P1/1p1P4/Q7

#4

6 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qxd4#
      • 1...Rxd2
        • 2.Qb8
          • threat
            • 3.Kf7#
          • 2...Bxe6
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bc6
            • 3.Kf7+
              • 3...Be8+
                • 4.Qxe8#
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bb7
            • 3.Kf7+
              • 3...Bc8
                • 4.Qxc8#
            • 3.Qd8
              • threat
                • 4.Kf7#
                • 4.Qh4#
                • 4.Qf6#
          • 2...Sb6
            • 3.Kf7+
              • 3...Sc8
                • 4.Qxc8#
      • 1...Rd3
        • 2.Qb8
          • threat
            • 3.Kf7#
          • 2...Bxe6
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bc6
            • 3.Kf7+
              • 3...Be8+
                • 4.Qxe8#
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bb7
            • 3.Kf7+
              • 3...Bc8
                • 4.Qxc8#
            • 3.Qd8
              • threat
                • 4.Kf7#
                • 4.Qh4#
                • 4.Qf6#
          • 2...Sb6
            • 3.Kf7+
              • 3...Sc8
                • 4.Qxc8#
      • 1...Rc4
        • 2.Qb8
          • threat
            • 3.Kf7#
          • 2...Bxe6
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bc6
            • 3.Kf7+
              • 3...Be8+
                • 4.Qxe8#
            • 3.Qd8
              • threat
                • 4.Qh4#
                • 4.Qf6#
          • 2...Bb7
            • 3.Kf7+
              • 3...Bc8
                • 4.Qxc8#
            • 3.Qd8
              • threat
                • 4.Kf7#
                • 4.Qh4#
                • 4.Qf6#
          • 2...Sb6
            • 3.Kf7+
              • 3...Sc8
                • 4.Qxc8#
      • 1...Re4
        • 2.Qg1
          • threat
            • 3.Qh2#
            • 3.Qh1#
          • 2...Re2
            • 3.Qb1
              • threat
                • 4.g7#
              • 3...Re4
                • 4.Qh1#
              • 3...Be4
                • 4.Qxb2#
          • 2...Re5
            • 3.Qh2+
              • 3...Rh5
                • 4.Qxh5#
      • 1...Sb6
        • 2.Qxc7
          • threat
            • 3.Qg7#
            • 3.Qh7#
          • 2...Sd7+
            • 3.Qxd7
              • threat
                • 4.Qg7#
                • 4.Qh7#

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